Home / 2,215.53-3,319.37-2,083.83

Finding the Fourth Proportional to 2,215.53, 3,319.37 and 2,083.83

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Solution

The fourth proportional to 2,215.53, 3,319.37 and 2,083.83 is: 3,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.53 : 3,319.37 = 2,083.83 : x
  2. Step 2: Convert to fraction form
    2,215.53/3,319.37 = 2,083.83/x
  3. Step 3: Cross multiply
    2,215.53x = 3,319.37 × 2,083.83
  4. Step 4: Simplify right side
    2,215.53x = 6,916,986.19
  5. Step 5: Solve for x
    x = 6,916,986.19/2,215.53
  6. Step 6: Final answer
    x = 3,122.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.